The answer for number 7 is x=3
1: a) -51
b) -461
2: a) 18078.415936
b) <span>61715.95</span>
You just literally mark the graph, you see the 1st points (2,12) go on the X axis to 2, then go up to 12 and mark that as a point. and continue with this tactic with the rest.
Answer:
Step-by-step explanation:
